Features :

?	Solar cell power supply, no battery changes required
?	Used for MIG/MAG,TIG&ARC welding
?	Button-free automatic power ON/OFF.
?	Automatic strong light cover, no eyes damage.
?	100% covering rate & 0.00005 seconds reflect time.
?	Automatic micro adjusted dark intensity.
?	Comfortable headband design.
?	Lightest weight with no burdens.

TECHNICAL SPECIFICATIONS : 1) Viewing Area 98x39mm (3.86"x1.54") 2) Size of Cartridge 110x90x9mm (4.33"x3.54"x0.35") 3) UV/IR Protection Up To Shade DIN16 at all time 4) Light State DIN 3 (4) 5) Variable Shade DIN 9 to 13 6) Power Supply Solar cell. No battery change required. 7) Power On/Off Fully Automatic SWITCHING TIME : a).Light to Dark 1/20000 s. b).Dark to Light 0.25~0.35s: at <fast> position 0.6 ~ 0.8s : at <slow> position Operating Temperature -5 ℃ ~ +55 ℃ (23 ℉ to 131 ℉ ) Storing Temperature -20 ℃ ~ +70 ℃ (-4 ℉ to 158 ℉ ) Helmet Material High-impact resistant plastic/Ployamide Nylon Weight 425g